Merge pull request #1246 from Ayrx/add-binding

Add GENERAL_NAMES_free binding
diff --git a/cryptography/hazmat/bindings/openssl/x509v3.py b/cryptography/hazmat/bindings/openssl/x509v3.py
index 02ec250..b668951 100644
--- a/cryptography/hazmat/bindings/openssl/x509v3.py
+++ b/cryptography/hazmat/bindings/openssl/x509v3.py
@@ -82,6 +82,7 @@
 void X509V3_set_ctx(X509V3_CTX *, X509 *, X509 *, X509_REQ *, X509_CRL *, int);
 X509_EXTENSION *X509V3_EXT_nconf(CONF *, X509V3_CTX *, char *, char *);
 int GENERAL_NAME_print(BIO *, GENERAL_NAME *);
+void GENERAL_NAMES_free(GENERAL_NAMES *);
 """
 
 MACROS = """